Chelsea’s dismal defeat away to Brighton was the ‘two steps back’ following the encouraging step forward against Salzburg in midweek. It showed, again, Chelsea’s poor squad construction posing a riddle for any manager trying to get consistent high performances out of the current roster. — Let’s look at some of the squad issues Graham Potter (and Frank Lampard, and Thomas Tuchel before him) must grapple with, and highlight the very difficult choices he has to make.